sac
Example Sentences
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In a dark room, a doctor pointed to an hourglass shape glowing on the ultrasound screen: There was her amniotic sac, funneling into her dilated cervix, and there was their tiny daughter’s foot, dipping out.
From Salon ● May 27, 2026
Then came the worst part: I passed the amniotic sac.
From The Wall Street Journal ● May 13, 2026
In these cases, the sheer size of the cell and the presence of a large yolk sac prevent the actin ring from fully closing.
From Science Daily ● Feb. 28, 2026
The next day she was diagnosed with pericarditis - an inflammation of the fluid-filled sac around the heart.
From BBC ● Oct. 12, 2025
“Is this true?” asked the rat, eyeing the sac suspiciously.
From "Charlotte's Web" by E.B. White
He coats the eggs with glue secreted from his legs and attaches clusters of egg sacs to his own body while they develop.
From Science Daily ● Sep. 25, 2026
In another chapter, Mr. Haskell follows the path of an owlet moth into the cranefly orchid’s flower and lets us watch how sacs of pollen attach themselves to the insect’s eye.
From The Wall Street Journal ● Apr. 17, 2026
The spiders’ white egg sacs, usually laid between October and November, are often attached to leaves, tree bark and flat structures and contain 400 to 500 eggs, according to Jorowatch.
From Los Angeles Times ● Apr. 9, 2026
Fibroblasts play a key role in keeping the lungs' airways and air sacs stable and functional.
From Science Daily ● Apr. 3, 2026
They’re the most elaborate ones I’ve done yet: divided thoroughfares, alleys, cul de sacs, tunnels, toll plazas, and traffic circles.
From "It’s Kind of a Funny Story" by Ned Vizzini
Vocabulary lists containing sac
Commonly Confused Words, List 4
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Unit 2: Evolution
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The Benefits of Being an Octopus
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